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WorksheetsWork and Energy and Power
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
Energy is the ability
a)
to do work
b)
to have fun
c)
to stay awake
d)
to try to lift a heavy object
2.
The product of the net force on an object and distance through which the object is moved (or f x d) equals
a)
Work
b)
Power
c)
Energy
d)
Acceleration
3.
Force is measured using which unit?
a)
Meters
b)
Kilograms
c)
Newtons
d)
Joules
4.
Your friend's car is stuck in the snow. You push very hard and become very tired but the car won't move. Did you do work?
a)
Yes, work was done
b)
No, work wasn't done
5.
A weight lifter picks up a very heavy barbell. When he is lifting the barbell...
a)
He does no work
b)
He does work
c)
He does potential work
6.
How much work you do in a certain amount of time is called...
a)
Work
b)
Power
c)
Energy
d)
Force
7.
If a new fork lift can do the four times the amount of work in the same amount of time of an old forklift, then the new forklift is...
a)
Twice as powerful
b)
Four time as powerful
c)
Sixteen times the power
d)
of equal power of the old forklift
8.
Energy stored in an object due to its position is called
a)
location energy
b)
positional energy
c)
potential energy
d)
kinetic energy
9.
Gravitational potential energy of an object is dependent on
a)
1 the volume of the object
b)
2 the mass and height of the object
c)
3 the mass & speed of the object
d)
4 the velocity of the object
10.
The ability to do work is called...
a)
Work
b)
Power
c)
Energy
d)
Force
11.
Energy that is stored in a battery is called...
a)
work energy
b)
radiant
c)
chemical energy
d)
thermal energy
12.
This type of energy requires that the object is in motion...
a)
Elastic Potential Energy
b)
Chemical Energy
c)
Gravitational Potential Energy
d)
Kinetic Energy
13.
A large stone raised to the top of a hill is known to have this type of energy...
a)
Elastic Potential Energy
b)
Chemical Energy
c)
Kinetic Energy
d)
Gravitational Potential Energy
14.
If an object has a mass "m" and increases it's speed by 2 times, what happens to the amount of kinetic energy?
a)
Increases by two
b)
Increases by four
c)
Decreases by two
d)
Decreases by four
15.
Who came up with the famous equation
E = mc2
E = mc2
a)
Joule
b)
Newton
c)
Einstein
d)
Default
16.
According to Einstein, energy is another form of ...
a)
motion
b)
speed
c)
matter
d)
light2
17.
Kinetic energy
a)
= 1/2 mass X velocity2
b)
= 1/2 mass X velocity
c)
= position X weight
d)
= position2 X mass
18.
The law that energy can be neither created or destroyed is called the law of
a)
null effect
b)
balance of energy
c)
non-destruction of energy
d)
conservation of energy
19.
The unit we use to measure work is the
a)
dyne
b)
joule
c)
newton
d)
quark
20.
Work is done when a weightlifter holds a barbell still above his head.
a)
True
b)
False
21.
At the top of its arc, a pendulum has maximum kinetic enert
a)
True
b)
False
22.
Energy due to motion is
a)
kinetic energy
b)
potential
c)
chemical energy
d)
possible energy
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